- Usually seen in the elderly.
- Maybe seen in association with peripheral band keratopathy or following
trauma.
- Familial type maybe occurs with X-linked megalocornea or in a juvenile
form of anterior mosaic crocodile shagreen.
- Clinical features:
- Symptoms: usually asymptomatic
- Signs:
- Appears as bilateral, polygonal, grayish-white opacities
- Anterior shagreen are seen in the deep layers of the epithelium
or in Bowman's layer, and become more apparent after instillation
of fluorescein drop
- Posterior shagreen are generally seen in the central deep
cornea which makes it difficult to differentiate with a central
cloudy dystrophy of the cornea
- No treatment is required.
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